// Xampler, a MIDI-driven sampler
// Copyright (C) 2006 Nick Thomas
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301 USA

#ifndef XAMPLER_STATE_HPP
#define XAMPLER_STATE_HPP

// Holds the state of the instruments, and includes code for saving
// the state to a file.

#include "Instrument.hpp"

namespace xampler
{
    const int MAX_INSTRUMENTS = 16;

    class State
    {
    public:
        State();
        Instrument &get_instrument(int num) { return m_instruments[num]; }

        // Attempts to save the state to a file. Returns true on
        // success, and false on failure, storing an error message in
        // the given argument.
        bool save(Glib::ustring filename, Glib::ustring &error);

        // Attempts to load the state from a file.
        bool load(Glib::ustring filename, Glib::ustring &error);

    private:
        Instrument m_instruments[MAX_INSTRUMENTS];
    };

    extern State *g_state;
}

#endif
